string filter javascript code example

Example 1: string filter javascript

var PATTERN = /bedroom/,
    filtered = myArray.filter(function (str) { return PATTERN.test(str); });

Example 2: who to accses to an object vallue inside an array with .filter method js

const array = [
  {
    username: "john",
    team: "red",
    score: 5,
    items: ["ball", "book", "pen"]
  },
  {
    username: "becky",
    team: "blue",
    score: 10,
    items: ["tape", "backpack", "pen"]
  },
  {
    username: "susy",
    team: "red",
    score: 55,
    items: ["ball", "eraser", "pen"]
  },
  {
    username: "tyson",
    team: "green",
    score: 1,
    items: ["book", "pen"]
  },

];
//FILTER MEMBERS IN TEAM "RED"
const filterArray=array.filter(word=>word.team==="red")

Example 3: filter in js

const filterThisArray = ["a","b","c","d","e"] 
console.log(filterThisArray) // Array(5) [ "a","b","c","d","e" ]

const filteredThatArray = filterThisArray.filter((item) => item!=="e")
console.log(filteredThatArray) // Array(4) [ "a","b","c","d" ]

Example 4: filter out arrays js

let newArray = array.filter(function(item) {
  return condition;
});

Example 5: array filter

const words = ['spray', 'limit', 'elite', 'exuberant', 'destruction', 'present'];

const result = words.filter(word => word.length > 6);

console.log(result);
// expected output: Array ["exuberant", "destruction", "present"]

Example 6: filter array by keyword

var data = [
  {email: "[email protected]",nama:"User A", Level:"Super Admin"},
  {email: "[email protected]",nama:"User B", Level:"Super Admin"},
  {email: "[email protected]",nama:"User C", Level:"Standart"},
  {email: "[email protected]",nama:"User D", Level:"Standart"},
  {email: "[email protected]",nama:"User E", Level:"Admin"},
  {email: "[email protected]",nama:"User F", Level:"Standart"}
];
var filter = "Level";
var keyword = "Standart";

var filteredData = data.filter(function(obj) {
	return obj[filter] === keyword;
});

console.log(filteredData);